Nature of Science Test Review

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

The factors in an experiment that can be changed. 

• variables
• quantitative data
• hypothesis
• steps

Tags

NGSS.MS-PS2-2

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Should experiments be repeated over and over to see if the results are the same each time?

• yes
• no

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

A list of the steps anyone could follow to conduct an experiment. 

• obervations
• question/problem
• materials
• procedures

Tags

NGSS.MS-PS2-2

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

A list of everything you will need to conduct an experiment..

• procedures
• materials
• observations
• question/problem

Tags

NGSS.HS-LS1-3

NGSS.HS-PS1-3

NGSS.HS-PS2-5

The factor that will happen because of the change. 

• dependent variable 
• independent variable
• controlled variabe
• not this one.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1